Oct 12, 2012 5:00am PDT
take some responsibility. >> reporter: but ryan fired back. he slammed the obama administration's economic record. >> this is not what a real recovery looks like. we need real reforms for a real recovery and that's exactly what mitt romney and i are proposing. >> reporter: after several heated exchanges ryan insinuated that president obama's performance last week was motivating the vice president's >> mr. vice president, i know you're under a lot of duress to paining up for lost ground. >> reporter: as for who won, it depends on how you ask. instant polls taken rye after the debate are mixed. -- in a cbs news poll of uncommitted voters, 50% thought the vice president run, 31% sided for ryan and 19% called it a tie. 56% thought biden would be an effective president if necessary compared with 49% for ryan. not surprisingly, both sides claimed victory. mitt romney's campaign said biden seemed off balance and strange. the president's team said the debate exposed the risks of electing a romney/ryan ticket. the next presidential debate is tuesday. randall pinkston, cbs news, danville, kentucky.